Thermo Fisher (TMO) EVP reports Form 4 tax-withholding stock dispositions

Rhea-AI Filing Summary

Thermo Fisher Scientific Executive Vice President Michel Lagarde reported two tax-withholding dispositions of common stock. On February 28, 2026, he delivered 836.8800 shares and 359.7250 shares of Thermo Fisher common stock at $521.1100 per share to cover tax obligations.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lagarde Michel

(Last) (First) (Middle)

168 THIRD AVENUE

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
THERMO FISHER SCIENTIFIC INC. [ TMO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/28/2026		F		836.88	D	$521.11	85,511.029	D
Common Stock	02/28/2026		F		359.725	D	$521.11	85,151.304	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Melodie T. Morin, Attorney-in-Fact for Michel Lagarde	03/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Thermo Fisher Scientific (TMO) executive Michel Lagarde report in this Form 4?

Michel Lagarde reported two tax-withholding dispositions of Thermo Fisher common stock. On February 28, 2026, he delivered 836.8800 and 359.7250 shares at $521.1100 per share to satisfy tax liabilities related to equity compensation.

Was Michel Lagarde buying or selling Thermo Fisher (TMO) shares in this filing?

He was not making open-market buys or sells. The Form 4 shows code F transactions, meaning shares were disposed of to pay tax liabilities by delivering securities rather than through a discretionary purchase or sale.

How many Thermo Fisher (TMO) shares were used for Michel Lagarde’s tax withholding?

The filing shows two non-derivative tax-withholding dispositions: 836.8800 shares and 359.7250 shares of Thermo Fisher common stock, each priced at $521.1100 per share, used to cover tax obligations tied to equity awards.

What transaction code is used in Michel Lagarde’s Thermo Fisher (TMO) Form 4?

Both transactions use transaction code F, described as payment of an exercise price or tax liability by delivering securities. This code highlights that the dispositions were for tax purposes, not ordinary open-market trading.

Are Michel Lagarde’s Thermo Fisher (TMO) transactions direct or indirect holdings?

The Form 4 identifies the ownership as direct, with the direct_or_indirect and ownership_code fields both indicating "D." No footnotes in the provided data reassign voting or investment authority to another entity.